alluxio.cli.fsadmin.command

Class JournalCommand

java.lang.Object

alluxio.cli.fsadmin.command.AbstractFsAdminCommand

alluxio.cli.fsadmin.command.JournalCommand

All Implemented Interfaces:

Command

@PublicApi
public class JournalCommand
extends AbstractFsAdminCommand

Command for seeing/managing quorum state of embedded journal.

Field Summary

Fields inherited from class alluxio.cli.fsadmin.command.AbstractFsAdminCommand

mBlockClient, mFsClient, mJobMasterClient, mJobMasterJournalMasterClient, mMasterJournalMasterClient, mMetaClient, mMetaConfigClient, mPrintStream

Constructor Summary

Constructors

Constructor and Description
JournalCommand(Context context, AlluxioConfiguration alluxioConf)

Method Summary

Modifier and Type	Method and Description
static String	description()
String	getCommandName() Gets the command name as input from the shell.
String	getDescription()
Map<String,Command>	getSubCommands()
String	getUsage()
boolean	hasSubCommand() If a command has sub-commands, the first argument should be the sub-command's name, all arguments and options will be parsed for the sub-command.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface alluxio.cli.Command

getOptions, parseAndValidateArgs, run, validateArgs

Constructor Detail

JournalCommand

public JournalCommand(Context context,
                      AlluxioConfiguration alluxioConf)

Parameters:

context - fsadmin command context

alluxioConf - Alluxio configuration

Method Detail

description

public static String description()

Returns:

command's description

hasSubCommand

public boolean hasSubCommand()

Description copied from interface: Command

If a command has sub-commands, the first argument should be the sub-command's name, all arguments and options will be parsed for the sub-command.

Returns:

whether this command has sub-commands

getSubCommands

public Map<String,Command> getSubCommands()

Returns:

a map from sub-command names to sub-command instances

getCommandName

public String getCommandName()

Description copied from interface: Command

Gets the command name as input from the shell.

Returns:

the command name

getUsage

public String getUsage()

Returns:

the usage information of the command

getDescription

public String getDescription()

Returns:

the description information of the command